
    <button nz-button nzType="primary" nzLoading><i class="anticon anticon-poweroff"></i>Loading</button>
    <button nz-button nzType="primary" nzSize="small" nzLoading>Loading</button>
    <br>
    <button nz-button nzType="primary" (click)="loadOne()" [nzLoading]="isLoadingOne">Click me!</button>
    <button nz-button nzType="primary" (click)="loadTwo()" [nzLoading]="isLoadingTwo"><i class="anticon anticon-poweroff"></i>Click me!</button>
    <br>
    <button nz-button nzLoading nzShape="circle"></button>
    <button nz-button nzLoading nzType="primary" nzShape="circle"></button>
  